--------------------------------------------------------------------------------Fedora Update Notification
FEDORA-2018-aec846c0ef
2018-06-07 11:49:10.292246
--------------------------------------------------------------------------------Name        : xen
Product     : Fedora 27
Version     : 4.9.2
Release     : 4.fc27
URL         : https://xenproject.org/
Summary     : Xen is a virtual machine monitor
Description :
This package contains the XenD daemon and xm command line
tools, needed to manage virtual machines running under the
Xen hypervisor

--------------------------------------------------------------------------------Update Information:

Speculative Store Bypass [XSA-263, CVE-2018-3639]
--------------------------------------------------------------------------------ChangeLog:

* Tue May 22 2018 Michael Young  - 4.9.2-4
- Speculative Store Bypass [XSA-263, CVE-2018-3639]
	(with extra patches so it applies cleanly)
* Wed May  9 2018 Michael Young  - 4.9.2-3
- x86: mishandling of debug exceptions [XSA-260, CVE-2018-8897]
	(with extra patch so it applies cleanly)
- x86 vHPET interrupt injection errors [XSA-261, CVE-2018-10982] (#1576089)
- qemu may drive Xen into unbounded loop [XSA-262, CVE-2018-10981] (#1576680)
* Wed Apr 25 2018 Michael Young  - 4.9.2-2
- Information leak via crafted user-supplied CDROM [XSA-258] (#1571867)
- x86: PV guest may crash Xen with XPTI [XSA-259] (#1571878)
* Wed Apr  4 2018 Michael Young  - 4.9.2-1
- update to 4.9.2
  adjust xen.use.fedora.ipxe.patch
  remove patches for issues now fixed upstream
* Tue Feb 27 2018 Michael Young  - 4.9.1-5
- add Xen page-table isolation (XPTI) mitigation
  and Branch Target Injection (BTI) mitigation for XSA-254
- DoS via non-preemptable L3/L4 pagetable freeing [XSA-252, CVE-2018-7540]
	(#1549568)
- grant table v2 -> v1 transition may crash Xen [XSA-255, CVE-2018-7541]
	(#1549570)
- x86 PVH guest without LAPIC may DoS the host [XSA-256, CVE-2018-7542]
	(#1549572)
* Tue Dec 12 2017 Michael Young  - 4.9.1-4
- another patch related to the [XSA-240, CVE-2017-15595] issue
- xen: various flaws (#1525018)
  x86 PV guests may gain access to internally used page
	[XSA-248, CVE-2017-17566]
  broken x86 shadow mode refcount overflow check [XSA-249, CVE-2017-17563]
  improper x86 shadow mode refcount error handling [XSA-250, CVE-2017-17564]
  improper bug check in x86 log-dirty handling [XSA-251, CVE-2017-17565]
* Sat Dec  2 2017 Richard W.M. Jones  - 4.9.1-3
- OCaml 4.06.0 rebuild.
* Tue Nov 28 2017 Michael Young  - 4.9.1-2
- xen: various flaws (#1518214)
  x86: infinite loop due to missing PoD error checking [XSA-246, CVE-2017-17044]
  Missing p2m error checking in PoD code [XSA-247, CVE-2017-17045]
* Thu Nov 23 2017 Michael Young  - 4.9.1-1
- update to 4.9.1 (#1515818)
  adjust xen.use.fedora.ipxe.patch
  and qemu.git-fec5e8c92becad223df9d972770522f64aafdb72.patch
  remove patches for issues now fixed upstream and parts of xen.gcc7.fix.patch
  update xen.hypervisor.config
- update Source0 location
* Wed Nov 15 2017 Michael Young  - 4.9.0-14
- fix an issue in patch for [XSA-240, CVE-2017-15595] that might be a
	security issue
- fix for [XSA-243, CVE-2017-15592] could cause hypervisor crash (DOS)
* Thu Oct 26 2017 Michael Young  - 4.9.0-13
- pin count / page reference race in grant table code [XSA-236, CVE-2017-15597]
	(#1506693)
* Thu Oct 12 2017 Michael Young  - 4.9.0-12
- xen: various flaws (#1501391)
  multiple MSI mapping issues on x86 [XSA-237, CVE-2017-15590]
  DMOP map/unmap missing argument checks [XSA-238, CVE-2017-15591]
  hypervisor stack leak in x86 I/O intercept code [XSA-239, CVE-2017-15589]
  Unlimited recursion in linear pagetable de-typing [XSA-240, CVE-2017-15595]
  Stale TLB entry due to page type release race [XSA-241, CVE-2017-15588]
  page type reference leak on x86 [XSA-242, CVE-2017-15593]
  x86: Incorrect handling of self-linear shadow mappings with translated
	 guests [XSA-243, CVE-2017-15592]
  x86: Incorrect handling of IST settings during CPU hotplug [XSA-244,
	CVE-2017-15594]
--------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2018-aec846c0ef' at the command
line. For more information, refer to the dnf documentation available at
https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/security/
--------------------------------------------------------------------------------
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